Add a new protocol

Co-authored-by: Gérald Croës <gerald@containo.us>

acme/challenge_http_provider.go

@@ -1,102 +0,0 @@
-package acme
-
-import (
-	"fmt"
-	"sync"
-	"time"
-
-	"github.com/cenkalti/backoff"
-	"github.com/containous/traefik/cluster"
-	"github.com/containous/traefik/log"
-	"github.com/containous/traefik/safe"
-	"github.com/xenolf/lego/challenge"
-)
-
-var _ challenge.ProviderTimeout = (*challengeHTTPProvider)(nil)
-
-type challengeHTTPProvider struct {
-	store cluster.Store
-	lock  sync.RWMutex
-}
-
-func (c *challengeHTTPProvider) getTokenValue(token, domain string) []byte {
-	log.Debugf("Looking for an existing ACME challenge for token %v...", token)
-	c.lock.RLock()
-	defer c.lock.RUnlock()
-
-	account := c.store.Get().(*Account)
-	if account.HTTPChallenge == nil {
-		return []byte{}
-	}
-
-	var result []byte
-	operation := func() error {
-		var ok bool
-		if result, ok = account.HTTPChallenge[token][domain]; !ok {
-			return fmt.Errorf("cannot find challenge for token %v", token)
-		}
-		return nil
-	}
-
-	notify := func(err error, time time.Duration) {
-		log.Errorf("Error getting challenge for token retrying in %s", time)
-	}
-
-	ebo := backoff.NewExponentialBackOff()
-	ebo.MaxElapsedTime = 60 * time.Second
-	err := backoff.RetryNotify(safe.OperationWithRecover(operation), ebo, notify)
-	if err != nil {
-		log.Errorf("Error getting challenge for token: %v", err)
-		return []byte{}
-	}
-	return result
-}
-
-func (c *challengeHTTPProvider) Present(domain, token, keyAuth string) error {
-	log.Debugf("Challenge Present %s", domain)
-	c.lock.Lock()
-	defer c.lock.Unlock()
-
-	transaction, object, err := c.store.Begin()
-	if err != nil {
-		return err
-	}
-
-	account := object.(*Account)
-	if account.HTTPChallenge == nil {
-		account.HTTPChallenge = map[string]map[string][]byte{}
-	}
-
-	if _, ok := account.HTTPChallenge[token]; !ok {
-		account.HTTPChallenge[token] = map[string][]byte{}
-	}
-
-	account.HTTPChallenge[token][domain] = []byte(keyAuth)
-
-	return transaction.Commit(account)
-}
-
-func (c *challengeHTTPProvider) CleanUp(domain, token, keyAuth string) error {
-	log.Debugf("Challenge CleanUp %s", domain)
-	c.lock.Lock()
-	defer c.lock.Unlock()
-
-	transaction, object, err := c.store.Begin()
-	if err != nil {
-		return err
-	}
-
-	account := object.(*Account)
-	if _, ok := account.HTTPChallenge[token]; ok {
-		delete(account.HTTPChallenge[token], domain)
-		if len(account.HTTPChallenge[token]) == 0 {
-			delete(account.HTTPChallenge, token)
-		}
-	}
-
-	return transaction.Commit(account)
-}
-
-func (c *challengeHTTPProvider) Timeout() (timeout, interval time.Duration) {
-	return 60 * time.Second, 5 * time.Second
-}